400890
cis-2-Butene
≥99%
Synonym(s):
(2Z)-2-Butene, (Z)-2-Butene, Z-Butene, cis-1,2-Dimethylethylene, cis-2-Butylene
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About This Item
Linear Formula:
CH3CH=CHCH3
CAS Number:
Molecular Weight:
56.11
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
209-673-7
Beilstein/REAXYS Number:
1361341
MDL number:
Assay:
≥99%
Form:
gas
InChI key
IAQRGUVFOMOMEM-ARJAWSKDSA-N
InChI
1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3-
SMILES string
[H]\C(C)=C(/[H])C
vapor density
2 (vs air)
vapor pressure
1414 mmHg ( 21 °C)
assay
≥99%
form
gas
autoignition temp.
615 °F
expl. lim.
9.7 %
bp
3.7 °C (lit.)
mp
−139 °C (lit.)
Quality Level
Application
cis-2-Butene is an unsaturated olefinic hydrocarbon used as a precursor in the polymerization of gasoline. It is also used to synthesize butadiene and other aliphatic C4/C5 organic molecules. It is also employed as a cross-linking agent.
Packaging
Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.
Compatible with the following:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
pcodes
Hazard Classifications
Flam. Gas 1 - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk
WGK 3
flash_point_f
10.4 °F - closed cup
flash_point_c
-12 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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Basic organic chemicals
Polymer, 117-141 (2002)
Competition and miscibility of isodimorphism and their effects on band spherulites and mechanical properties of poly (butylene succinate-co-cis-butene succinate) unsaturated aliphatic copolyesters
Yu Y, et al.
Polymer, 150, 52-63 (2018)
Robert R Arnts
Environmental science & technology, 42(20), 7663-7669 (2008-11-06)
The continuous addition of trans-2-butene to air containing ozone-reactive volatile and semivolatile organic compounds prior to sampling on Tenax-TA adsorbent was found to be an effective means of removing ozone and reducing analyte losses of ozone reactive biogenic volatile organic
Ollie M Gonzalez-James et al.
Journal of the American Chemical Society, 134(4), 1914-1917 (2012-01-11)
An unusual intramolecular kinetic isotope effect (KIE) in the reaction of dichloroketene with cis-2-butene does not fit with a simple asynchronous cycloaddition transition state, but it can be predicted from trajectory studies on a bifurcating energy surface. The origin of
H Nover et al.
Zentralblatt fur Bakteriologie, Mikrobiologie und Hygiene. 1. Abt. Originale B, Hygiene, 181(1-2), 71-80 (1985-06-01)
The multipurpose strain E. coli K12 343/113 allows the simultaneous detection of different DNA alterations such as base-pair changes, frameshifts and deletions. The investigations show the detection of mutagenic potency in the mixture which is called photochemical smog, produced by
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